Re: recurring mouse click messages

From:
"AliR \(VC++ MVP\)" <AliR@online.nospam>
Newsgroups:
microsoft.public.vc.mfc
Date:
Thu, 18 Dec 2008 14:04:03 -0600
Message-ID:
<r1y2l.10547$be.5767@nlpi061.nbdc.sbc.com>
I wouldn't call it sarcastic. Just puzzled.

I just can't envision how this button would work, not begin a window and
all. How does it get mouse messages? How does it know when it is clicked,
where does it draw itself? Does the parent window handle all of this?

AliR.

"asellon" <asellon@cox.net> wrote in message
news:pXw2l.69029$uS1.34447@newsfe19.iad...

yeah, I have. are you being sarcastic?
"AliR (VC++ MVP)" <AliR@online.nospam> wrote in message
news:Aqv2l.10534$be.7069@nlpi061.nbdc.sbc.com...

You have created a button class that doesn't inherite from a CWnd???

AliR.

"asellon" <asellon@cox.net> wrote in message
news:0fv2l.13757$iY3.6075@newsfe14.iad...

Joe,
   I appreciate the response. Using your code would imply that the
button we SetCapture() on is derived from CWnd?

In my world, the button I am clicking on is a construct of my own, drawn
by me. The first CWnd object in the chain is the view. (starting from
smallest visual object and moving out).

......

after reading about SetCapture() the reason to call SetCapture() is only
to ensure we get the mouseup event even IF we move the mouse pointer
outside the window. Right?

I think I got it now.
"Joseph M. Newcomer" <newcomer@flounder.com> wrote in message
news:gnqik4tc5t4h7rk8r69v8cuul98jh2edkd@4ax.com...

No. See below...

OnLButtonDown:
      SetCapture()
      SetTimer(...);

OnLButtonUp:
     if(GetCapture() != NULL)
         {
          ReleaseCapture();
          KillTimer();
         }

OnTimer:
    if(GetCapture())
        RepeatButtonAction();

joe

On Wed, 17 Dec 2008 14:01:21 -0600, "asellon" <asellon@cox.net> wrote:

Is the following scenario possible?

the current state is you click the left mouse button and that generates
a
single WMLBUTTONDOWN message.

what if I wanted the WMLBUTTONDOWN message to keep firing until I let
off
the button? Is there a setting in MFC somewhere for that? Maybe one
where
you could set the interval of the firing? Like every 100 ms or
something?

thanks.

andy


Joseph M. Newcomer [MVP]
email: newcomer@flounder.com
Web: http://www.flounder.com
MVP Tips: http://www.flounder.com/mvp_tips.htm

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